/*
 * Copyright (c) 2020-2025 Valve Corporation
 * Copyright (c) 2020-2025 LunarG, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Authors:
 * - Christophe Riccio <christophe@lunarg.com>
 */

#pragma once

#include <cstddef>
#include <cassert>

std::size_t PopCount(int bitfield);

int FindPosition(int bit);

template <typename T>
inline int GetBit(T value, T first) {
    return 1 << (value - first);
}

template <typename BIT, typename VALUE>
inline VALUE GetValue(BIT bit, VALUE first) {
    return static_cast<VALUE>(FindPosition(bit) + first);
}
